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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Effect of Quinestrol on the Reproduction of Mongolia Gerbil at the Farming-pastoral
Author of the article:YANG Jinrong
Author's Workplace:1.College of Biology and Environmental Sciences, Jishou University 2.Institute of Subtropical Agriculture, Chinese Academy of Sciences 3. Xilingol Grassland Nature Reserve 4. Xilingol Forestry Bureau . Xilinguole district, Inner Mongolia
Key Words:quinestrol; Meriones unguriculataus; contraception control; fertility control
Abstract:Quinestrol is a kind of synthetic estrogen which has been used as contraceptive on some rodents.To study its effects on the reproduction of Mongolia gerbil(Meriones unguriculataus), We conducted field experiments at farming-pastoral transitional zone in Baiyinxile, Inner Mongolia from May to August in 2006. The experimental area was divided into quinestrol baited area and control area. And standard killing trap method was monthly used to capture the samples in both areas after spraying poison baits in May.The samples were subsequently dissected to examine the reproductive system for analyzing the effects of quinestrol on the reproduction of M. unguriculataus during the following three months(from June to August). Results showed that: (1) The rate of uterus necrosis in quinestrol baited area from June to August were 75.3%, 61.5% and 48.7% respectively, which were extremely higher than the control area (p < 0.01); (2) Pregnant rate in quinestrol baited area were significantly reduced compared with the control area (p < 0.05); (3) Litter size in quinestrol baited area were significantly lower than the control area (p < 0.05). According to these result, quinestrol has a significant suppression effects on the population reproduction of the M. unguriculataus, and this research could provide certain theoretical basis for rodent control at the farming-pastoral transitional zone.
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